SBS 2011 – Remotewebzugriff – unerwarteter Fehler

in der

c:\ProgramFiles\Windows Small Business Server\Bin\WebApp\RemoteAccess\web.config

folgendes

<serviceHostingEnvironment aspNetCompatibilityEnabled="true" />

in

<serviceHostingEnvironment aspNetCompatibilityEnabled="true" minFreeMemoryPercentageToActivateService="0"/>

ändern
c:\iisreset